refactor: extract built-in roles to embedded files (#853)

1 files changed, 33 insertions, 0 deletions

diff --git a/src/utils/variables.rs b/src/utils/variables.rs
new file mode 100644
index 0000000..91c9912
--- /dev/null
+++ b/src/utils/variables.rs
@@ -0,0 +1,33 @@
+use super::*;
+use fancy_regex::{Captures, Regex};
+
+lazy_static::lazy_static! {
+    pub static ref RE_VARIABLE: Regex = Regex::new(r"\{\{(\w+)\}\}").unwrap();
+}
+pub fn interpolate_variables(text: &mut String) {
+    *text = RE_VARIABLE
+        .replace_all(text, |caps: &Captures<'_>| {
+            let key = &caps[1];
+            match key {
+                "__os__" => env::consts::OS.to_string(),
+                "__os_distro__" => {
+                    let info = os_info::get();
+                    if env::consts::OS == "linux" {
+                        format!("{info} (linux)")
+                    } else {
+                        info.to_string()
+                    }
+                }
+                "__os_family__" => env::consts::FAMILY.to_string(),
+                "__arch__" => env::consts::ARCH.to_string(),
+                "__shell__" => SHELL.name.clone(),
+                "__locale__" => sys_locale::get_locale().unwrap_or_default(),
+                "__now__" => now(),
+                "__cwd__" => env::current_dir()
+                    .map(|v| v.display().to_string())
+                    .unwrap_or_default(),
+                _ => format!("{{{{{}}}}}", key),
+            }
+        })
+        .to_string();
+}